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group.py
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group.py
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import genshi
import datetime
from sqlalchemy.orm import eagerload_all
from ckan.lib.base import BaseController, c, model, request, render, h
from ckan.lib.base import ValidationException, abort, gettext
from pylons.i18n import get_lang, _
import ckan.authz as authz
from ckan.authz import Authorizer
from ckan.lib.helpers import Page
from ckan.plugins import PluginImplementations, IGroupController
from ckan.lib.navl.dictization_functions import DataError, unflatten, validate
from ckan.logic import NotFound, NotAuthorized, ValidationError
from ckan.logic import check_access, get_action
from ckan.logic.schema import group_form_schema
from ckan.logic import tuplize_dict, clean_dict, parse_params
from ckan.lib.dictization.model_dictize import package_dictize
import ckan.forms
import ckan.logic.action.get
class GroupController(BaseController):
## hooks for subclasses
group_form = 'group/new_group_form.html'
def _form_to_db_schema(self):
return group_form_schema()
def _db_to_form_schema(self):
'''This is an interface to manipulate data from the database
into a format suitable for the form (optional)'''
def _setup_template_variables(self, context):
c.is_sysadmin = Authorizer().is_sysadmin(c.user)
## This is messy as auths take domain object not data_dict
context_group = context.get('group',None)
group = context_group or c.group
if group:
try:
if not context_group:
context['group'] = group
check_access('group_change_state',context)
c.auth_for_change_state = True
except NotAuthorized:
c.auth_for_change_state = False
## end hooks
def index(self):
context = {'model': model, 'session': model.Session,
'user': c.user or c.author}
data_dict = {'all_fields': True}
try:
check_access('site_read', context)
except NotAuthorized:
abort(401, _('Not authorized to see this page'))
results = get_action('group_list')(context, data_dict)
c.page = Page(
collection=results,
page=request.params.get('page', 1),
url=h.pager_url,
items_per_page=20
)
return render('group/index.html')
def read(self, id):
context = {'model': model, 'session': model.Session,
'user': c.user or c.author,
'schema': self._form_to_db_schema()}
data_dict = {'id': id}
try:
c.group_dict = get_action('group_show')(context, data_dict)
c.group = context['group']
except NotFound:
abort(404, _('Group not found'))
except NotAuthorized:
abort(401, _('Unauthorized to read group %s') % id)
try:
description_formatted = ckan.misc.MarkdownFormat().to_html(c.group.get('description',''))
c.description_formatted = genshi.HTML(description_formatted)
except Exception, e:
error_msg = "<span class='inline-warning'>%s</span>" % _("Cannot render description")
c.description_formatted = genshi.HTML(error_msg)
try:
desc_formatted = ckan.misc.MarkdownFormat().to_html(c.group.description)
desc_formatted = genshi.HTML(desc_formatted)
except genshi.ParseError, e:
desc_formatted = 'Error: Could not parse group description'
c.group_description_formatted = desc_formatted
c.group_admins = self.authorizer.get_admins(c.group)
context['return_query'] = True
results = get_action('group_package_show')(context, data_dict)
c.page = Page(
collection=results,
page=request.params.get('page', 1),
url=h.pager_url,
items_per_page=30
)
result = []
for pkg_rev in c.page.items:
result.append(package_dictize(pkg_rev, context))
c.page.items = result
# Add the group's activity stream (already rendered to HTML) to the
# template context for the group/read.html template to retrieve later.
c.group_activity_stream = \
ckan.logic.action.get.group_activity_list_html(context,
{'id': c.group_dict['id']})
return render('group/read.html')
def new(self, data=None, errors=None, error_summary=None):
context = {'model': model, 'session': model.Session,
'user': c.user or c.author, 'extras_as_string': True,
'schema': self._form_to_db_schema(),
'save': 'save' in request.params}
try:
check_access('group_create',context)
except NotAuthorized:
abort(401, _('Unauthorized to create a group'))
if context['save'] and not data:
return self._save_new(context)
data = data or {}
errors = errors or {}
error_summary = error_summary or {}
vars = {'data': data, 'errors': errors, 'error_summary': error_summary}
self._setup_template_variables(context)
c.form = render(self.group_form, extra_vars=vars)
return render('group/new.html')
def edit(self, id, data=None, errors=None, error_summary=None):
context = {'model': model, 'session': model.Session,
'user': c.user or c.author, 'extras_as_string': True,
'save': 'save' in request.params,
'schema': self._form_to_db_schema(),
}
data_dict = {'id': id}
if context['save'] and not data:
return self._save_edit(id, context)
try:
old_data = get_action('group_show')(context, data_dict)
c.grouptitle = old_data.get('title')
c.groupname = old_data.get('name')
schema = self._db_to_form_schema()
if schema and not data:
old_data, errors = validate(old_data, schema, context=context)
data = data or old_data
except NotFound:
abort(404, _('Group not found'))
except NotAuthorized:
abort(401, _('Unauthorized to read group %s') % '')
group = context.get("group")
c.group = group
try:
check_access('group_update',context)
except NotAuthorized, e:
abort(401, _('User %r not authorized to edit %s') % (c.user, id))
errors = errors or {}
vars = {'data': data, 'errors': errors, 'error_summary': error_summary}
self._setup_template_variables(context)
c.form = render(self.group_form, extra_vars=vars)
return render('group/edit.html')
def _save_new(self, context):
try:
data_dict = clean_dict(unflatten(
tuplize_dict(parse_params(request.params))))
context['message'] = data_dict.get('log_message', '')
group = get_action('group_create')(context, data_dict)
h.redirect_to(controller='group', action='read', id=group['name'])
except NotAuthorized:
abort(401, _('Unauthorized to read group %s') % '')
except NotFound, e:
abort(404, _('Package not found'))
except DataError:
abort(400, _(u'Integrity Error'))
except ValidationError, e:
errors = e.error_dict
error_summary = e.error_summary
return self.new(data_dict, errors, error_summary)
def _save_edit(self, id, context):
try:
data_dict = clean_dict(unflatten(
tuplize_dict(parse_params(request.params))))
context['message'] = data_dict.get('log_message', '')
data_dict['id'] = id
group = get_action('group_update')(context, data_dict)
h.redirect_to(controller='group', action='read', id=group['name'])
except NotAuthorized:
abort(401, _('Unauthorized to read group %s') % id)
except NotFound, e:
abort(404, _('Package not found'))
except DataError:
abort(400, _(u'Integrity Error'))
except ValidationError, e:
errors = e.error_dict
error_summary = e.error_summary
return self.edit(id, data_dict, errors, error_summary)
def authz(self, id):
group = model.Group.get(id)
if group is None:
abort(404, _('Group not found'))
c.groupname = group.name
c.grouptitle = group.display_name
try:
context = {'model':model,'user':c.user or c.author, 'group':group}
check_access('group_edit_permissions',context)
c.authz_editable = True
c.group = context['group']
except NotAuthorized:
c.authz_editable = False
if not c.authz_editable:
abort(401, gettext('User %r not authorized to edit %s authorizations') % (c.user, id))
current_uors = self._get_userobjectroles(id)
self._handle_update_of_authz(current_uors, group)
# get the roles again as may have changed
user_object_roles = self._get_userobjectroles(id)
self._prepare_authz_info_for_render(user_object_roles)
return render('group/authz.html')
def _get_userobjectroles(self, group_id):
group = model.Group.get(group_id)
uors = model.Session.query(model.GroupRole).join('group').filter_by(name=group.name).all()
return uors
def history(self, id):
if 'diff' in request.params or 'selected1' in request.params:
try:
params = {'id':request.params.getone('group_name'),
'diff':request.params.getone('selected1'),
'oldid':request.params.getone('selected2'),
}
except KeyError, e:
if dict(request.params).has_key('group_name'):
id = request.params.getone('group_name')
c.error = _('Select two revisions before doing the comparison.')
else:
params['diff_entity'] = 'group'
h.redirect_to(controller='revision', action='diff', **params)
context = {'model': model, 'session': model.Session,
'user': c.user or c.author,
'schema': self._form_to_db_schema()}
data_dict = {'id': id}
try:
c.group_dict = get_action('group_show')(context, data_dict)
c.group_revisions = get_action('group_revision_list')(context, data_dict)
#TODO: remove
# Still necessary for the authz check in group/layout.html
c.group = context['group']
except NotFound:
abort(404, _('Group not found'))
except NotAuthorized:
abort(401, _('User %r not authorized to edit %r') % (c.user, id))
format = request.params.get('format', '')
if format == 'atom':
# Generate and return Atom 1.0 document.
from webhelpers.feedgenerator import Atom1Feed
feed = Atom1Feed(
title=_(u'CKAN Group Revision History'),
link=h.url_for(controller='group', action='read', id=c.group_dict['name']),
description=_(u'Recent changes to CKAN Group: ') +
c.group_dict['display_name'],
language=unicode(get_lang()),
)
for revision_dict in c.group_revisions:
revision_date = h.date_str_to_datetime(revision_dict['timestamp'])
try:
dayHorizon = int(request.params.get('days'))
except:
dayHorizon = 30
dayAge = (datetime.datetime.now() - revision_date).days
if dayAge >= dayHorizon:
break
if revision_dict['message']:
item_title = u'%s' % revision_dict['message'].split('\n')[0]
else:
item_title = u'%s' % revision_dict['id']
item_link = h.url_for(controller='revision', action='read', id=revision_dict['id'])
item_description = _('Log message: ')
item_description += '%s' % (revision_dict['message'] or '')
item_author_name = revision_dict['author']
item_pubdate = revision_date
feed.add_item(
title=item_title,
link=item_link,
description=item_description,
author_name=item_author_name,
pubdate=item_pubdate,
)
feed.content_type = 'application/atom+xml'
return feed.writeString('utf-8')
return render('group/history.html')
def _render_edit_form(self, fs):
# errors arrive in c.error and fs.errors
c.fieldset = fs
c.fieldset2 = ckan.forms.get_package_group_fieldset()
return render('group/edit_form.html')
def _update(self, fs, group_name, group_id):
'''
Writes the POST data (associated with a group edit) to the database
@input c.error
'''
validation = fs.validate()
if not validation:
c.form = self._render_edit_form(fs)
raise ValidationException(fs)
try:
fs.sync()
except Exception, inst:
model.Session.rollback()
raise
else:
model.Session.commit()
def _update_authz(self, fs):
validation = fs.validate()
if not validation:
c.form = self._render_edit_form(fs)
raise ValidationException(fs)
try:
fs.sync()
except Exception, inst:
model.Session.rollback()
raise
else:
model.Session.commit()